* {
  margin: 0;
  padding: 0;
}

.app {
  width: 100vw;

  float: left;

 
}

.app:after {
  content: '.';
  display: block;
  clear: both;
  overflow: hidden;
  height: 0;
}
.global{
  width: 98vw;
  padding: 5px 0;
  margin: 0 auto;
  background-color: white;
  position: relative;
}